Gut Bacteria & Neurotransmitters

Gut bacteria produce and modulate serotonin, dopamine, and GABA, linking the microbiome to brain function.

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The Gut-Brain Axis

This research highlights the profound connection between the gut microbiome and the brain. Gut bacteria are capable of producing and consuming a wide range of neurotransmitters, including dopamine, norepinephrine, serotonin, or gamma-aminobutyric acid (GABA).

Serotonin Production

It is estimated that over 90% of the body's serotonin is produced in the gut, primarily by enterochromaffin cells, which are influenced by microbiome.